Mar. 9, 20166:39 AM PT7:39 AM MT8:39 AM CT9:39 AM ET14:39 GMT10:39 PM 北京时间7:39 AM MST9:39 AM EST8:39 AM CT18:39 UAE9:39 ET13:39 - The Pittsburgh Steelers signed Foster to a three-year deal on Wednesday, hours before the veteran would become a free agent. Analysis: The 30-year-old Foster made the Steelers as an undrafted rookie free agent in 2009 before developing into one of the team's most dependable lineman. Foster has made 87 career starts at various positions and has been Pittsburgh's starting right guard for each of the last four seasons.